/* ============================================================
   페이퍼룸 — 하위 페이지 스타일
   상품목록 · 상품상세(사양 선택) · 인쇄가이드
   메인 시안의 편집 디자인 언어(플랫·얇은 선·작은 라벨)를 따른다.
   ============================================================ */

/* ── 페이지 머리 ───────────────────────────────────────── */
.page-head {
    padding-top: 58px;
}

.page-title {
    font-size: 44px;
    line-height: 1.3;
    font-weight: 500;
    letter-spacing: -.07em;
    margin: 18px 0 0;
}

.page-lead {
    max-width: 620px;
    margin: 18px 0 0;
    font-size: 13px;
    line-height: 1.95;
    color: #74746a;
}

.section-sub {
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -.055em;
    margin: 14px 0 0;
}

/* ── 이동 경로 ─────────────────────────────────────────── */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 30px 0 0;
    font: 10px Arial, sans-serif;
    letter-spacing: .05em;
    color: #9b9b90;
}

.breadcrumb a:hover {
    color: var(--blue);
}

.breadcrumb span {
    opacity: .5;
}

.breadcrumb strong {
    font-weight: 500;
    color: #5f5f55;
}

/* 목록 페이지에서 분류 탭이 링크일 때 */
.tabs a.tab {
    display: inline-block;
    padding-bottom: 11px;
    color: #84847a;
    white-space: nowrap;
}

.tabs a.tab.active {
    color: var(--ink);
    border-bottom: 2px solid var(--ink);
    font-weight: 600;
}

/* ── 상품 상세 ─────────────────────────────────────────── */
.detail {
    padding-top: 36px;
}

.detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
}

.detail-visual .product-art {
    height: 460px;
}

.detail-visual-note {
    margin: 12px 0 0;
    font-size: 10px;
    color: #a0a095;
}

.detail-title {
    font-size: 38px;
    font-weight: 500;
    letter-spacing: -.07em;
    line-height: 1.32;
    margin: 16px 0 0;
}

.detail-summary {
    margin: 14px 0 0;
    font-size: 14px;
    line-height: 1.9;
    color: #6d6d63;
}

.detail-description {
    margin: 18px 0 0;
    font-size: 13px;
    line-height: 2;
    color: #74746a;
}

.detail-meta {
    display: grid;
    gap: 0;
    margin: 32px 0 0;
    border-top: 1px solid var(--line);
}

.detail-meta > div {
    display: flex;
    align-items: baseline;
    gap: 18px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}

.detail-meta dt {
    width: 84px;
    flex: none;
    font: 10px Arial, sans-serif;
    letter-spacing: .06em;
    color: #9b9b90;
}

.detail-meta dd {
    margin: 0;
    font-size: 13px;
    color: #44443c;
}

.price-notice {
    margin: 24px 0 0;
    padding: 15px 18px;
    background: var(--cream);
    border-left: 2px solid var(--blue);
    font-size: 12px;
    line-height: 1.85;
    color: #6b6b60;
}

/* ── 사양 선택 폼 ──────────────────────────────────────── */
.spec-form {
    margin-top: 72px;
    padding-top: 44px;
    border-top: 1px solid var(--line);
}

.spec-heading {
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -.055em;
    margin: 0;
}

.spec-lead {
    margin: 10px 0 34px;
    font-size: 12px;
    line-height: 1.9;
    color: #84847a;
}

.spec-group {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 0;
    padding: 22px 0;
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.spec-group legend {
    float: left;
    width: 110px;
    padding: 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink);
}

.spec-group legend small {
    display: block;
    margin-top: 4px;
    font-size: 9px;
    font-weight: 400;
    color: #a0a095;
    letter-spacing: 0;
}

.spec-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.spec-option {
    position: relative;
    cursor: pointer;
}

.spec-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.spec-option span {
    display: block;
    border: 1px solid var(--line);
    background: #fff;
    padding: 10px 15px;
    font-size: 12px;
    color: #5c5c52;
    transition: border-color .15s, color .15s;
}

.spec-option span small {
    display: block;
    margin-top: 3px;
    font-size: 9px;
    color: #a3a398;
}

.spec-option:hover span {
    border-color: #b9b9ad;
}

.spec-option input:checked + span {
    border-color: var(--ink);
    color: var(--ink);
    font-weight: 500;
}

.spec-option input:focus-visible + span {
    outline: 3px solid #ffad5b;
    outline-offset: 3px;
}

.spec-quantity {
    display: flex;
    align-items: center;
    gap: 9px;
}

.spec-quantity input {
    width: 130px;
    border: 1px solid var(--line);
    background: #fff;
    padding: 10px 13px;
    font-size: 13px;
    color: var(--ink);
}

.spec-quantity span {
    font-size: 12px;
    color: #84847a;
}

/* 선택 요약 */
.spec-summary {
    margin-top: 10px;
    padding: 28px;
    background: var(--cream);
    border-top: 1px solid var(--line);
}

.spec-summary h3 {
    margin: 0 0 16px;
    font-size: 13px;
    font-weight: 600;
}

.spec-summary dl {
    margin: 0 0 20px;
    display: grid;
    gap: 9px;
}

.spec-summary dl > div {
    display: flex;
    gap: 14px;
    font-size: 12px;
}

.spec-summary dt {
    width: 76px;
    flex: none;
    color: #9b9b90;
}

.spec-summary dd {
    margin: 0;
    color: #3f3f37;
    font-weight: 500;
}

.spec-summary-note {
    margin: 0 0 20px;
    font-size: 11px;
    line-height: 1.95;
    color: #85857b;
}

/* ── 인쇄 가이드 ───────────────────────────────────────── */
.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1px;
    margin-top: 40px;
    background: var(--line);
    border: 1px solid var(--line);
}

.guide-card {
    display: block;
    background: #fff;
    padding: 32px 28px 28px;
    transition: background .15s;
}

.guide-card:hover {
    background: var(--cream);
}

.guide-card-num {
    display: block;
    font: 11px Arial, sans-serif;
    color: #b0b0a4;
    letter-spacing: .08em;
}

.guide-card-group {
    display: block;
    margin-top: 14px;
    font: 9px Arial, sans-serif;
    letter-spacing: .1em;
    color: var(--blue);
}

.guide-card h2 {
    margin: 10px 0 0;
    font-size: 17px;
    font-weight: 500;
    letter-spacing: -.045em;
    line-height: 1.5;
}

.guide-card p {
    margin: 10px 0 22px;
    font-size: 12px;
    line-height: 1.85;
    color: #84847a;
}

.guide-card-more {
    font-size: 10px;
    color: #6f6f65;
    border-bottom: 1px solid #c3c3b7;
    padding-bottom: 5px;
}

/* 메인 하단 가이드 링크 줄 */
.guide-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid var(--line);
}

.guide-link {
    display: block;
    padding: 22px 24px 22px 0;
    border-right: 1px solid var(--line);
}

.guide-link:last-child {
    border-right: 0;
}

.guide-link:not(:first-child) {
    padding-left: 24px;
}

.guide-link-group {
    display: block;
    font: 9px Arial, sans-serif;
    letter-spacing: .1em;
    color: var(--blue);
}

.guide-link strong {
    display: block;
    margin: 9px 0 12px;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: -.04em;
}

.guide-link-more {
    font-size: 9px;
    color: #9b9b90;
}

.guide-link:hover .guide-link-more {
    color: var(--blue);
}

/* ── 가이드 본문 ───────────────────────────────────────── */
.article {
    padding-top: 36px;
    max-width: 760px;
}

.article-body {
    margin-top: 42px;
    border-top: 1px solid var(--line);
    padding-top: 34px;
}

.article-body h2 {
    margin: 38px 0 12px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -.04em;
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body p {
    margin: 0;
    font-size: 13px;
    line-height: 2.1;
    color: #5e5e54;
}

.article-note {
    margin-top: 44px;
    padding: 16px 18px;
    background: var(--cream);
    font-size: 11px;
    line-height: 1.9;
    color: #85857b;
}

/* CTA 안에 링크형 버튼이 올 때 시각을 버튼과 맞춘다 */
.cta a.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ── 반응형 ────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .detail-grid {
        gap: 40px;
    }

    .detail-visual .product-art {
        height: 380px;
    }
}

@media (max-width: 760px) {
    .page-head {
        padding-top: 34px;
    }

    .page-title {
        font-size: 30px;
    }

    .page-lead {
        font-size: 12px;
    }

    .breadcrumb {
        padding-top: 20px;
        font-size: 9px;
    }

    .detail-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 28px;
    }

    .detail-visual .product-art {
        height: 290px;
    }

    .detail-title {
        font-size: 26px;
    }

    .spec-form {
        margin-top: 46px;
        padding-top: 32px;
    }

    .spec-group {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }

    .spec-group legend {
        float: none;
        width: auto;
    }

    .spec-option span {
        padding: 9px 13px;
        font-size: 11px;
    }

    .spec-summary {
        padding: 20px;
    }

    .guide-grid {
        grid-template-columns: minmax(0, 1fr);
        margin-top: 28px;
    }

    .guide-card {
        padding: 24px 20px;
    }

    .guide-links {
        grid-template-columns: minmax(0, 1fr);
        margin-top: 32px;
    }

    .guide-link {
        border-right: 0;
        border-bottom: 1px solid var(--line);
        padding: 18px 0;
    }

    .guide-link:not(:first-child) {
        padding-left: 0;
    }

    .article-body {
        margin-top: 30px;
        padding-top: 26px;
    }

    .article-body p {
        font-size: 12px;
        line-height: 2;
    }
}

/* 상품 상세 — 사양 요약 아래 두 갈래 (담기 / 바로 견적) */
.spec-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
}

.spec-actions .btn.ghost {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
}

.spec-actions .btn.ghost:hover {
    border-color: var(--ink);
}